Fig. 6 in Systematic revision of a Miocene sperm whale from Patagonia, Argentina, and the phylogenetic signal of tympano-periotic bones in Physeteroidea

Fig. 6. Comparisons of non-kogiid physeteroid teeth from the Miocene. A–F. Isolated teeth of: Orycterocetus crocodilinus (Cope, 1867), Calvert Formation, between Maryland and Virginia, USA (A, USNM 22926), Acrophyseter sp., Pisco Formation, Cerro los Quesos, Peru (B, MUSM 2182; modified from Lambert et al. 2016), Zygophyseter varolai (Bianucci and Landini, 2006), Pietra Leccese Formation, Cisterna Quarry, Italy (C, MAUL 229/1; modified from Bianucci and Landini 2006), Physeteroidea indet., Gran Bajo del Gualicho Formation, Rio Negro, Argentina (D, MLP 76-IX-5-1, "Preaulophyseter" sensu Caviglia and Jorge 1980), Livyatan melvillei (Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina, and Reumer, 2010), Pisco Formation, Cerro Colorado, Peru (E, MUSM 1676; modified from Lambert et al. 2016), the extant Physeter macrocephalus (Linnaeus, 1758) (F, MACN 29.768; modified from Perez et al. 2011). G. Maxillary tooth of Eudelphis mortezelensis (Du Bus, 1872), Berchem Formation, Antwerp, Belgium (IRSNB M.523; modified from Lambert 2008). H–J. Mandibular tooth of: Idiorophus patagonicus (Lydekker, 1893), Gaiman Formation, Chubut, Argentina (H, MLP 5-2), "Aulophyseter" rionegrensis (Gondar, 1975), Gran Bajo del Gualicho Formation, Rio Negro, Argentina (I, MLP 62-XII-19-1), and Physeterula dubusi (Van Beneden, 1877), Antwerp, Belgium (J, IRSNB M.527; modified from Lambert 2008).